28976737 has 2 divisors, whose sum is σ = 28976738. Its totient is φ = 28976736.

The previous prime is 28976719. The next prime is 28976741. The reversal of 28976737 is 73767982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15610401 + 13366336 = 3951^2 + 3656^2 .

It is a cyclic number.

It is not a de Polignac number, because 28976737 - 2⁷ = 28976609 is a prime.

It is not a weakly prime, because it can be changed into another prime (28976707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14488368 + 14488369.

It is an arithmetic number, because the mean of its divisors is an integer number (14488369).

Almost surely, 2^28976737 is an apocalyptic number.

It is an amenable number.

28976737 is a deficient number, since it is larger than the sum of its proper divisors (1).

28976737 is an equidigital number, since it uses as much as digits as its factorization.

28976737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 49.

The square root of 28976737 is about 5383.0044584786. The cubic root of 28976737 is about 307.1495096656.

It can be divided in two parts, 28976 and 737, that multiplied together give a palindrome (21355312).

The spelling of 28976737 in words is "twenty-eight million, nine hundred seventy-six thousand, seven hundred thirty-seven".